is the most current and officially supported version of the structural equation modeling (SEM) software suite . Academic and commercial researchers looking for a free download of LISREL 9 from December 2021 should know that older iterations, including LISREL 9.1 and 9.2, are legacy software versions that are no longer actively distributed or maintained by the official developer, [Scientific Software International (SSI)](1.2.1, 1.3.8).
If you are looking for the latest version instead of LISREL 9, the SSI Live website is the best resource, offering trials for the newest version as of 2026.
: The industry standard for open-source SEM. It is free, highly reliable, and uses syntax similar to commercial packages. jamovi / JASP lisrel 9 free download 12 2021
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If you find that free or significantly discounted access isn't available, and you need the full functionality of LISREL for your work or studies, purchasing a license or asking your institution to acquire one might be the best option. is the most current and officially supported version
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| Software | License Type | Platform | Key Strengths | | :--- | :--- | :--- | :--- | | | Open-source (Free) | Windows, Mac, Linux | High flexibility, syntax-based, very active user community, part of a complete statistical environment | | JASP | Open-source (Free) | Windows, Mac, Linux | User-friendly GUI similar to SPSS, specializes in Bayesian analysis alongside standard tests | | Tetrad | Freeware | Windows, Mac, Linux | Focuses on causal and statistical modeling with a graphical interface, performs discovery functions not found in LISREL | | SmartPLS | Commercial (Free student/ trial versions) | Windows, Mac, Linux | Modern drag-and-drop GUI, supports both CB-SEM and PLS-SEM, lower learning curve than LISREL | | Mplus | Commercial | Windows, Mac | Extremely powerful, extensive modeling capabilities, considered a direct competitor to LISREL | : The industry standard for open-source SEM
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The official developer of Lisrel, Scientology Software, offers a free student version of Lisrel 9, which can be downloaded from their website. However, this version has limitations, such as a restricted number of variables and samples.
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